Dolly



FIG. 1--front perspective view;

FIG. 2--partial front cross sectional view taken along line 2--2 of FIG. 1;

FIG. 3--explode perspective view; and,

FIG. 4--cross sectional view taken along line 4--4 of FIG. 1. 

The ornamental design for a dolly, as shown and described. 